Sound: Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas.
声音：以纵波形式借由固体、液体或气体传播的物理扰动。
The test results indicate that the above factors do not have much effect on ultrasonic longitudinal wave testing.
试验结果表明，以上因素都不会对超声波纵波检测产生很大影响。
The relationships between dynamic contact force and indentation are derived in the case of longitudinal wave propagation.
在仅考虑纵波传播的情况下，寻出了撞击力-压入位移关系。
This paper deduces the errors sources from the process of ultrasonic longitudinal wave testing and evaluates its uncertainty.
本文分析了超声波探伤纵波检测的误差来源，评定了在探伤过程中的不确定度。
A pressure disturbance cannot drive the energy release profile uniformly to the anti-node region to result in a sustained longitudinal wave.
压力扰动不可能驱使能量释放分布图移至波腹区域以产生持续的纵向波。
It is the gliding irrotational wave pair, not the longitudinal wave beam itself that excites longitudinal wave in mud to generate signal.
激发出泥浆纵波而使接收器获得讯号的是滑行集散波，纵波声束并不直接激发泥浆纵波。
Mechanical disturbance that propagates as a longitudinal wave through a solid, liquid, or gas. A sound wave is generated by a vibrating object.
以纵波形式借由固体、液体或气体传播的物理扰动。声波是由振动的物体产生。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
结果表明，纵波速度与变形能系数关联度最大，纵波速度能较好地反映冻土的爆破性。
Furthermore, the relationship among longitudinal wave velocity, peak stress and peak strain present different laws according to the types of rocks.
此外，峰值应力与纵波波速、峰值应变与纵波波速的关系依赖于不同的岩石而表现出不同的规律。
The sensor was applied to detect several kinds of laser ultrasonic, such as surface acoustic wave, Lamb wave and longitudinal wave, well-defined waveforms were obtained.
采用该传感器测试了激光超声表面波、兰姆波和纵波，获得了很好的波形。
The results show that the average velocity of the shock wave attenuation in magnesium alloy is in good agreement with the propagation velocity of stress longitudinal wave;
研究结果表明：冲击波在镁合金中的平均传播速度与应力波中纵波的传播速度基本一致；
The relationship between uniaxial compressive strength and the velocity of longitudinal wave of concrete material with different grading is found through laboratory testing.
通过试验得出不同级配混凝土试样的纵波波速与其单轴抗压强度的关系。
It is indicated that the longitudinal wave speed, shear wave speed, as well as the dynamic Young's modulus of the Mogao grottoes increase with the increasing depth of grottoes.
结果表明，洞窟岩壁的纵波波速、横波波速、动弹模随着洞深的增加而增加；
A low frequency multi mode ultrasonic Lamb wave method suitable for characterizing shear and longitudinal wave velocities, thickness and density of ultra thin elastic layers is presented.
提出了用低频多模式超声兰姆波定征方法来估计超薄弹性层的纵波声速、横波声速、厚度和密度等参数。
A low frequency ultrasonic Lamb like wave method suitable for characterizing the thickness, density, shear and longitudinal wave velocities of the ultra thin bonding composite is presented.
提出用低频超声类兰姆波定征方法来估计超薄黏结复合结构各层与黏结层的厚度、密度、纵波声速和横波声速等参数。
All studies show that weak plane inclination, thickness and whether be run through or not have a significant impact on longitudinal wave velocity, average modulus and strength of specimens.
研究结果表明：弱面的倾角、厚度及是否贯通等对试样的纵波速度、平均模量和强度具有显著的影响。
A low frequency ultrasonic (Lamb like) wave method is used for characterizing the shear, longitudinal wave velocities, the thickness, and the density of ultra thin two layered bonding composite.
提出用低频超声类兰姆波定征方法来估计超薄双层胶结复合结构各层的纵波声速、横波声速、厚度和密度等参数。
Theoretically, when gas exists in reservoir, longitudinal wave offset time will increase and transverse wave offset time will not change and density will decrease and neutron will decrease, too.
理论认为当储层中存在着天然气时，会导致纵波时差增大，横波时差不变，密度测井值减小，中子孔隙度减小。
Then the fitting relationships between the longitudinal wave velocity of rock masses and deformation moduli are established. Method of least square regression is used for deformation data processing.
用刚性圆形承压板法进行岩体变形试验，建立了岩体纵波波速与变形模量的拟合关系，用最小二乘回归法处理变形数据。
Then the fitting relationships between the longitudinal wave velocity of rock masses and deformation moduli are established. Method of least square regression is used for deformation data processing.
用刚性圆形承压板法进行岩体变形试验，建立了岩体纵波波速与变形模量的拟合关系，用最小二乘回归法处理变形数据。
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